Solve. Graph the solution on a number line, and express it in interval notation.x + 
? 
A. x < 
, 
B. x ? 
, 
C. x ? 
, 
D. x > 
, 
Answer: C
Mathematics
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Prove the limit statement
= 21
What will be an ideal response?
Mathematics
Translate the indicated expression.Linda passes a rest area on the highway. One-fourth of an hour later, Mark, traveling in the same direction, passes the same rest area. If t represents the amount of time it takes Mark to catch up to Linda, write an expression in terms of t that describes the amount of time Linda has traveled since passing the rest area.
A. 
B. 
- t
C. t - 
D. t + 
Mathematics
Find the axis of symmetry of the given function.f(x) = -x2 + 5x - 7
A. x = - 
B. x = 
C. x = 5
D. x = 
Mathematics
Provide an appropriate response.Given matrix A:A = 
What is the size of A?
A. 3 B. 3 × 2 C. 3 × 3 D. 2 × 3
Mathematics